OpenTechnical

OT-2026-000006974

Publication integrity record

Porous face vacuum gripper, three outlet manifold, three stage ejector, contact triggered, closed cell

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006974) never changes.

Identity and time

Publication numberOT-2026-000006974 · never reused
Internal UUID01a0a96e-3401-7108-9b0c-976d90994821 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:06.916024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006974
StatusPUBLIC

Content hashes

Canonical text469506f3a0870810b498c8fcd0d9a48431f2af55d7b165141553ada56e4cbe43
Markdownf7dc0bc7d31d346b0d596c6e94b42288b7806e16bab76fa34ea7e29407a76d87
PDF
Publication page160f793cd31fc1e5e30c347cb870a4f2da938f23285209a6a4ad48e5a9f2e0bf
Manifest90f07a71afd28bd1ec25c06a92adad7cd013ad0b24317f5b1c1cf033c3d176fd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureFwZGydYEXmSlrIgx9LvwbHmn6XXV0n9m40C+frQS7rJOXAGtl1X0GOiN50b4cZUz7XyQKyZ6Ok/KzP4fS5pBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:15.987424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006974
observed 160f793cd31fc1e5e30c347cb870a4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.972685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006974/manifest.json
observed 90f07a71afd28bd1ec25c06a92adad7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.959438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006974/publication.md
observed f7dc0bc7d31d346b0d596c6e94b42288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.946695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006974/publication.txt
observed 469506f3a0870810b498c8fcd0d9a484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.